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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5614139
Kind Code:
U
Application Number:
JP9712979U
Publication Date:
February 06, 1981
Filing Date:
July 14, 1979
Export Citation:
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International Classes:
E04F19/08; (IPC1-7): E04F19/08
Domestic Patent References:
JPS4910666A1974-01-30